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Chicago Sanitary and Ship Canal

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The Chicago Sanitary and Ship Canal, historically known as the Chicago Drainage Canal, is a 28-mile-long (45 km) canal system that connects the Chicago River to the Des Plaines River. It reverses the direction of the Main Stem and the South Branch of the Chicago River, which now flows out of Lake Michigan rather than into it. The related Calumet-Saganashkee Channel does the same for the Calumet River a short distance to the south, joining the Chicago canal about halfway along its route to the Des Plaines. The two provide the only navigation for ships between the Great Lakes Waterway and the Mississippi River system.

Chicago Sanitary and Ship Canal
Lock and dam of the Chicago Sanitary and Ship Canal at Lockport
Map
CSSC highlighted in blue
Specifications
Length28 miles (45 km)
Locks1
StatusOpen
History
Former namesChicago Drainage Canal
Date completedJanuary 2, 1900; 124 years ago (January 2, 1900)
Date extended1907
Geography
Start pointDes Plaines River north of Joliet, Illinois
(41°33′19″N 88°04′40″W / 41.5552°N 88.0778°W / 41.5552; -88.0778)
End pointSouth Branch Chicago River in Chicago, Illinois
(41°50′30″N 87°40′33″W / 41.8416°N 87.6757°W / 41.8416; -87.6757)

The canal was in part built as a sewage treatment scheme. Prior to its opening in 1900, sewage from the city of Chicago was dumped into the Chicago River and flowed into Lake Michigan. The city's drinking water supply was (and remains) located offshore, and there were fears that the sewage could reach the intake and cause serious disease outbreaks. Since the sewer systems were already flowing into the river, the decision was made to reverse the flow of the river, thereby sending all the sewage inland where it could be diluted before emptying it into the Des Plaines.

Another goal of the construction was to replace the shallow and narrow Illinois and Michigan Canal (I&M), which had originally connected Lake Michigan with the Mississippi starting in 1848. As part of the construction of the new canal, the entire route was built to allow much larger ships to navigate it. It is 202 feet (62 m) wide and 24 feet (7.3 m) deep, over three times the size of the I&M. The I&M became a secondary route with the new canal's opening and was shut down entirely with the creation of the Illinois Waterway network in 1933.

The building of the Chicago canal served as intensive and practical training for engineers who later built the Panama Canal. The canal is operated by the Metropolitan Water Reclamation District of Greater Chicago. In 1999, the system was named a Civil Engineering Monument of the Millennium by the American Society of Civil Engineers (ASCE).[1] The Canal was listed on the National Register of Historic Places on December 20, 2011.[2]

Reasons for construction

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The location and course of the old Illinois and Michigan Canal, which the Sanitary and Ship Canal largely replaced
 
The flow of water before and after the construction of the Sanitary and Ship Canal. Note that the before image here does not include the layout of the transcontinental divide Illinois and Michigan Canal (built 1848) which existed at the time (1900) but did not generally affect the directional flow of the waters

Early Chicago sewage systems discharged directly into Lake Michigan or into the Chicago River, which itself flowed into the lake. The city's water supply also comes from the lake, through water intake cribs located two miles (3.2 km) offshore. There were fears that sewage could infiltrate the water supply, leading to typhoid fever, cholera, and dysentery. During a tremendous storm in 1885, the rainfall washed refuse from the river far out into the lake (although reports of an 1885 cholera epidemic are untrue), spurring a panic that a future similar storm would cause a huge epidemic in Chicago. The only reason for the storm not causing such a catastrophic event was that the weather was cooler than normal. The Sanitary District of Chicago (now The Metropolitan Water Reclamation District) was created by the Illinois legislature in 1889 in response to this close call.[3]

In addition, the canal was built to supplement and ultimately replace the older and smaller Illinois and Michigan Canal (built 1848) as a conduit to the Mississippi River system. In 1871, the old canal had been deepened in an attempt to reverse the river and improve shipping but the reversal of the river only lasted one season.[4] The I&M canal was also badly polluted as a result of unrestricted dumping from city sewers and industries, such as the Union Stock Yards.[5]

Planning and construction, 1887–1922

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Construction of the Chicago Drainage Canal, 1900s
 
Chicago Drainage Canal being built (1899)

By 1887, it was decided to reverse the flow of the Chicago River through civil engineering. Engineer Isham Randolph noted that a ridge about 12 miles (19 km) from the lakeshore divided the Mississippi River drainage system from the Great Lakes drainage system. This low divide had been known since pre-Columbian time by the Native Americans, who used it as the Chicago Portage to cross from the Chicago River drainage to the Des Plaines River basin drainage. The Illinois and Michigan Canal was cut across that divide in the 1840s. In an attempt to better drain sewage and pollution in the Chicago River, the flow of the river had already been reversed in 1871 when the Illinois and Michigan Canal was deepened enough to reverse the river's flow for one season.[4] A plan soon emerged to again cut through the ridge and reverse the flow permanently carrying wastewater away from the lake, through the Des Plaines and Illinois rivers, to the Mississippi River and the Gulf of Mexico. In 1889, the Illinois General Assembly created the Sanitary District of Chicago (SDC) to carry out the plan. After four years of turmoil during construction, Isham Randolph was appointed Chief Engineer for the newly formed Sanitary District of Chicago and resolved many issues circulating around the project. While the canal was being built, permanent reversal of the Chicago River was attained in 1892, when the Army Corps of Engineers further deepened the Illinois and Michigan Canal.

One of the issues for Randolph to resolve was a strike of about 2000 union workers, centered in Lemont and Joliet. On June 1, 1893, quarrymen went out to protest a wage cut, an action that also drew in 1200 canal workers. Reports describe 400 quarrymen marching along the length of the canal project on June 2, between Lemont and Romeo, conducting a "reign of terror" at worksites, "armed with clubs and revolvers", "almost crazed with liquor".[6] On the 9th strikers clashed with replacement workers and local law enforcement, and Governor Altgeld called out the First and Second Regiments of the Illinois National Guard.[7] Dozens were wounded and at least five killed: strikers Gregor Kilka, Jacob (or Ignatz) Ast,[8] Thomas Moorski, Mike Berger,[7] and 17-year-old bystander John Kluga.[9] The strike was settled by the 15th.[10]

The new Chicago Sanitary and Ship Canal, linking the south branch of the Chicago River to the Des Plaines River at Lockport, and in advance of an application by the Missouri Attorney General for an injunction against the opening, opened on January 2, 1900. However, it was not until January 17 that the complete flow of the water was released.[11][12][13] Further construction from 1903 to 1907 extended the canal to Joliet, as the SDC wanted to replace the previously built Illinois and Michigan Canal with the Chicago Sanitary and Ship Canal. The rate of flow is controlled by the Lockport Powerhouse, sluice gates at Chicago Harbor and at the O'Brien Lock in the Calumet River, and also by pumps at Wilmette Harbor. Two more canals were later built to add to the system: the North Shore Channel in 1910, and the Calumet-Saganashkee Channel in 1922.

Construction of the Ship and Sanitary Canal was the largest earth-moving operation that had been undertaken in North America up to that time. It was also notable for training a generation of engineers, many of whom later worked on the Panama Canal.[14] In 1989, the Sanitary District of Chicago was renamed the Metropolitan Water Reclamation District of Greater Chicago.[15]

Diversion of water from the Great Lakes

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The canal at Willow Springs, Illinois, 1904

The Chicago Sanitary and Ship Canal is designed to work by taking water from Lake Michigan and discharging it into the Mississippi River watershed. At the time of construction, a specific amount of water diversion was authorized by the United States Army Corps of Engineers (USACE) and approved by the Secretary of War, under provisions of various Rivers and Harbors Acts; over the years however, this limit was not honored or well regulated. While the increased flow more rapidly flushed the untreated sewage, it also was seen as a hazard to navigation, a concern to USACE in relation to the level of the Great Lakes and the St. Lawrence River, from which the water was diverted. Litigation ensued from 1907, which eventually saw states downstream of the canal siding with the sanitary district and those states upstream of Lake Michigan with Canada siding against the district.[16] The litigation was eventually decided by the Supreme Court in Sanitary District of Chicago v. United States in 1925,[17][18] and again in Wisconsin v. Illinois in 1929.[19] In 1930, management of the canal was turned over to the United States Army Corps of Engineers. The Corps of Engineers reduced the flow of water from Lake Michigan into the canal, but kept it open for navigation purposes.[14] These decisions prompted the sanitary district to accelerate their treatment of raw sewage. [citation needed] Today, diversions from the Great Lakes system are regulated by an international treaty with Canada,[citation needed] through the International Joint Commission, and by governors of the Great Lakes states.

Pollution of the canals

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Most local sewers in the Chicago area were built over 100 years ago before wastewater treatment existed. They were designed to drain sanitary flow and a limited amount of stormwater directly into the river. If intercepting sewers and the Metropolitan Water Reclamation District of Greater Chicago (MWRD) water reclamation plants reach capacity during heavy rain, the local sewer continues to drain, or “overflow,” to a waterway, thus causing concern for pollution. However, the MWRD’s Tunnel and Reservoir Plan (TARP) has worked to decrease the combined sewage overflow (CSOs) and nearly eliminated them in the Calumet Area River System. Since the tunnels became operational in 2006, CSOs have been reduced from an average of 100 days per year to 50. Since Thornton Reservoir came online in 2015, CSOs have been nearly eliminated. TARP captures and stores combined stormwater and sewage that would otherwise overflow from sewers into waterways in rainy weather. This stored water is pumped from TARP to water reclamation plants to be cleaned before being released to waterways.

Asian carp and the canal

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Main article: Asian carp in North America
 
Infographic explaining the electric barrier system designed to prevent Asian Carp from reaching Lake Michigan

On November 20, 2009, the Corps of Engineers announced a single sample of DNA from Asian carp had been found above the electric barrier constructed in the canal in an attempt to prevent carp from migrating into the Great Lakes. The silver carp, also known as the flying carp, displace native species of fish by filter feeding and removing the bottom of the food chain. It migrated through the Mississippi River system, and could make its way into the Great Lakes,[20] through the man-made canal. Carp were introduced to the U.S. with the blessing of the Environmental Protection Agency (EPA) in the 1970s to help remove algae from catfish farms in Arkansas. They escaped the farms.

On December 2, 2009, the Chicago Sanitary and Ship Canal closed, as the EPA and the Illinois Department of Natural Resources (IDNR) began applying a fish poison, rotenone, in an effort to kill Asian carp north of Lockport. Although no Asian carp were found in the two months of commercial and electrofishing, the massive fish kill did yield a single carp.[21]

On December 21, 2009, Michigan Attorney General Mike Cox filed a lawsuit with the Supreme Court seeking the immediate closure of the Chicago Sanitary and Ship Canal to keep Asian carp out of Lake Michigan. The state of Illinois and the Corps of Engineers, which constructed the Canal, are co-defendants in the lawsuit.[22]

In response to the Michigan lawsuit, on January 5, 2010, Illinois State Attorney General Lisa Madigan filed a counter-suit with the Supreme Court requesting that it reject Michigan's claims. Siding with the State of Illinois, both the Illinois Chamber of Commerce and the American Waterways Operators have filed affidavits, arguing that closing the Chicago Sanitary and Ship Canal would upset the movement of millions of tons of vital shipments of iron ore, coal, grain and other cargo, totaling more than $1.5 billion a year, and contribute to the loss of hundreds, perhaps thousands of jobs.[23] However, Michigan along with several other Great Lakes states argue that the sport and commercial fishery and tourism associated with the fishery of the entire Great Lakes region is estimated at $7 billion a year, and impacts the economies of all Great Lakes states and Canada.

On January 19, 2010, the U.S. Supreme Court rejected the request for a preliminary injunction closing the canal.[24] In August 2011, the United States Court of Appeals also rejected the preliminary injunction.[25]

See also

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References

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  1. ^ "Chicago Wastewater System". American Society of Civil Engineers. Archived from the original on 15 January 2012. Retrieved 20 June 2018.
  2. ^ "Announcement". List for January 13, 2012. National Park Service. Archived from the original on 20 June 2012. Retrieved 26 February 2012.
  3. ^ Adams, Cecil (12 November 2004). "Did 90,000 people die of typhoid fever and cholera in Chicago in 1885?". The Straight Dope. Archived from the original on 6 October 2008. Retrieved June 20, 2018.
  4. ^ a b Miller, Donald L. (1997). City of the Century. New York: Simon & Schuster. p. 427. ISBN 978-0684831381. Archived from the original on 9 January 2020. Retrieved 21 June 2018.
  5. ^ "Chicago: City of the Century". American Experience. 13 January 2003. PBS. Archived from the original on 5 March 2018. Retrieved 20 June 2018.
  6. ^ "A Brief Reign of Terror Striking Quarrymen Resort to Violence". The Herald. Los Angeles. 3 June 1893. Archived from the original on 6 May 2016. Retrieved 23 April 2016.
  7. ^ a b "Strikers Come to Grief". The Herald. 10 June 1893. Archived from the original on 6 May 2016. Retrieved 23 April 2016.
  8. ^ "Altgeld Inquiries: What is the Matter on the Drainage Canal". The Rock Island Argus. 12 June 1893. p. 4. Archived from the original on 21 February 2018. Retrieved 23 April 2016.
  9. ^ "Much Bloodshed". Iowa State Reporter. 15 June 1893. Retrieved 23 April 2016.
  10. ^ "Lemont Strike Ends". Chicago Tribune. 15 June 1893. Archived from the original on 4 June 2016. Retrieved 23 April 2016.
  11. ^ "The Chicago Canal Opened; Fear of an Injunction Hastens the Consummation of the Big Drainage Ditch". The New York Times. January 18, 1900. p. 8. Archived from the original on June 21, 2018. Retrieved June 21, 2018.
  12. ^ Smith, Alfred Emanuel (January 6, 1900). "The Chicago Drainage Canal". The Outlook. 64 (1): 9. Retrieved 2009-07-30.
  13. ^ Baker, M. N. (February 10, 1900). "The Chicago Drainage Canal". The Outlook. 64 (6): 355–360. Retrieved 2018-06-18.
  14. ^ a b Encyclopædia Britannica Online Chicago Sanitary and Ship Canal Archived 2011-11-20 at the Wayback Machine
  15. ^ Joseph T. Zurad, The Metropolitan Water Reclamation District of Greater Chicago: Our Second Century of Meeting Challenges and Achieving Success Archived 2012-03-24 at the Wayback Machine, American Society of Civil Engineers, 1996
  16. ^ J. Q. Dealey Jr., The Chicago Drainage Canal and St. Lawrence Development Archived 2016-08-18 at the Wayback Machine, American Journal of International Law, Vol. 23, No. 2, Apr., 1929
  17. ^ "Sanitary District of Chicago v. United States, 266 U. S. 405". Archived from the original on 2008-05-16. Retrieved 2011-07-01.
  18. ^ Sanitary District of Chicago v. United States:Opinion of the Court
  19. ^ "U.S. Supreme Court. Wisconsin v. Illinois, 281 U.S. 696 (1930)". Archived from the original on 2007-03-13. Retrieved 2011-07-01.
  20. ^ Belkin, Douglas (20 November 2009). "Asian Carp could Hurt Boating, Fishing". The Wall Street Journal. Archived from the original on 20 February 2015. Retrieved 2009-11-21.
  21. ^ Garcia, John (3 December 2009). "One Asian carp found in canal after fish kill". WLS-TV News. Archived from the original on 7 December 2009. Retrieved 2010-01-07.
  22. ^ Hood, Joel (22 December 2009). "Fight to keep Asian carp out of Great Lakes reaches Supreme Court". Los Angeles Times. Archived from the original on 25 December 2009. Retrieved 2010-01-07.
  23. ^ Merrion, Paul (4 January 2010). "Illinois fights back as states seek carp-blocking canal closures". Crain's Chicago Business. Retrieved 2010-01-07.
  24. ^ Barnes, Robert (20 January 2010). "More Supreme Court actions". The Washington Post. Archived from the original on 11 November 2012. Retrieved 2010-01-20.
  25. ^ "Important Invasive Species/Asian Carp Opinion issued in Typescript this afternoon by 7th Circuit (Link to Court opinion)". Indiana Law Blog. Archived from the original on 25 April 2012. Retrieved 21 November 2011.
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Wikimedia Commons has media related to Chicago Sanitary and Ship Canal.
 
Wikisource has the text of the 1905 New International Encyclopedia article "Chicago Drainage Canal".

41°42′18″N 87°56′02″W / 41.70500°N 87.93389°W / 41.70500; -87.93389

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